The former researches have indicated that bacteria degrade aromatic compound through several paths such as brenzcatechin pathway, gentisic acid pathway and dihydroxy benzoic acid pathway.
前人研究表明细菌降解苯环类化合物有邻苯二酚、龙胆酸、原儿茶酸等途径。
An algorithm is presented for generating interference free tool paths in nc machining of compound surfaces.
提出一种组合曲面加工无干涉刀具轨迹的生成算法。
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